Allegro Pro 4 USB 3.2 Gen 2 Type-C PCIe Card (USB3C-4PM-E)
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Driver (1)
IDDownload TitleDownload LinkPost Date
977 Allegro USB 3.2 (3.1) Gen 2 (10Gbps) PCIe Driver for Windows 7 1.16.59.1Jun-11-2020
Operating System Requirements: Windows 7 (32-bit), Windows 7 (64-bit), Windows Server 2008 R2 (64-bit)
Description: Installation of this software provides support for Sonnet's Allegro USB-C PCIe, Allegro USB-C 4-Port PCIe, Allegro Pro Type-A USB 3.2 PCIe and Fusion Dual 2.5" SSD RAID PCIe cards in computers running Windows 7, Windows 7 x64 Edition, and Windows Server 2008 R2 x64.

This driver does not support Windows 8.1 or Windows 10, which have inbox drivers for these cards.
 
 
Firmware (0)
Manual (1)
FAQ (11)
IDArticle TitlePost Date
756 Do the Sonnet USB 2.0 or USB 3 cards support the Apple SuperDrive?Apr-02-22
759 My bus-powered USB 3 drive or SSD will not reliably mount or transfer data.Dec-14-19
High power bus-powered drives are supported by the current and recent line of Sonnet USB 3 cards, plus the Tango 3.0 PCIe (FW8USB3A-E) cards, but not the discontinued USB 3.0 PCIe cards (USB3-E or USB3M-E), the initial version of the Tango 3.0 PCIe card (FWUSB3-E), or any USB 2.0 cards.

If you are still having trouble, this may be a problem due to a voltage drop in the USB cable. Use the following guide to select the correct cable for your application.

In general, these cables should work with SSDs or optical drives drawing up to 2A of current:

Type........Power-Carrying Wires....Cable Outside Diameter....Maximum Cable Length
USB 2.0..........28 AWG...............................3.8mm...........................0.15m (0.5 ft)
USB 2.0..........24 AWG...............................4.7mm...........................0.3m ( 1 ft)
USB 2.0..........22 AWG...............................5.0mm..............................1m ( 3 ft)
USB 3.0..........20 AWG...............................6.0mm..............................1m ( 3 ft)

Generally, the gauge of the power-carrying wires can be inferred from the cable outside diameter.
 
817 Storage connected to a USB 3 PCIe card (or Tango combo card) gives an macOS error message upon wake from sleep.May-12-20
933 What versions of macOS support Allegro USB 3 cards?Apr-02-22
956 What generations of Thunderbolt chassis do Sonnet Allegro PCIe cards support?Apr-02-22
971 One or more of my ports has stopped working on my USB 3 card.Aug-24-22
1080 What is the difference between USB 3.0, 3.1 and 3.2?Apr-02-22
1099 What makes Sonnet USB 3.2 Cards more reliable than other USB 3 cards?Apr-02-22
1144 Why does Sonnet use only PCIe 2 to connect the two controllers on these 4-port USB 3.2 Gen 2 cards?Apr-18-21
1149 How to configure Linux to use Allegro Pro USB card models USB3C-4PM-E and USB3-PRO-4P10-EMay-04-21
1168 If I put a usb 2.0 and 3.0 device on the same controller will the speeds for the 3.0 device drop to 2.0 like older split-port controllers?Dec-07-21
The Sonnet Allegro USB-C and Allegro Pro 4-port Type A USB 3.2 cards support the fastest speed of each device independently on each port. The Sonnet cards supports "Multiple Ins", which means that that the host can issue a read request to one endpoint device and then proceed with other transactions without waiting for the response from the first device. Supporting Multiple Ins also improves performance to mutiple Gen 1 devices on a downstream Gen 2 hub connected to a Sonnet card Gen 2 port.